Home / 1,992,906,074.70-2,989,359,112.05-682,372,568.70

Finding the Fourth Proportional to 1,992,906,074.70, 2,989,359,112.05 and 682,372,568.70

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Solution

The fourth proportional to 1,992,906,074.70, 2,989,359,112.05 and 682,372,568.70 is: 1,023,558,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,906,074.70 : 2,989,359,112.05 = 682,372,568.70 : x
  2. Step 2: Convert to fraction form
    1,992,906,074.70/2,989,359,112.05 = 682,372,568.70/x
  3. Step 3: Cross multiply
    1,992,906,074.70x = 2,989,359,112.05 × 682,372,568.70
  4. Step 4: Simplify right side
    1,992,906,074.70x = 2,039,856,656,056,310,016
  5. Step 5: Solve for x
    x = 2,039,856,656,056,310,016/1,992,906,074.70
  6. Step 6: Final answer
    x = 1,023,558,853.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.